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29 Cards in this Set

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  • Back
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functions of the lymph system
-drain interstisial fluid
-transport dietary fats
-protect against invasion
-remove waste proteins from the plasma that the venule can't take in
lymph and its' function
to - transport nutrients
-transport waste
-protect the body from invasion
flow of lymph is maintained….
primarily by the contraction of skeletal muscles that compress lymphatic vessels and force lymph toward subclavian veins
lymph tissue
leukocytes (white blood cells)
lymph vessels (4)
-lymph capillaries
-lymph vessels
-lymph duct
lymph capillaries
exist at cell level, between cells, have valves to make sure lymph doesn't flow back
only in small intestine, transport fat back into blood
lymph vessels
like smaller veins that bring lymph from tissue back to the heart
lymph duct
largest vessels -thoracic and right lymphatic ducts
lymph nodes
filter lymph by removing foreign substances and stimulate production of lymphocytes
rapid, repeated, reproduction
secondary lymphatic organ that acts as a blood resevoir, destroys worn out RBCs, filters blood, and is the site of B cell proliferation
red bone marrow
primary lymphatic organ that produces B cells and pre T cells
primary lymphatic organ that is the site for processing and maturing T cells
lymph is pumped through the body
skeletal muscles- contract to compress lymphatic vessels and force lymph toward the subclavian veins which dump into the heart
-respiratory pump- breathing create pressure between the two ends of the lymphatic system

enzymes in sweat capable of breaking down cell walls of bacteria
White blood cells
nonspecific resistance to disease
our bodies first response to invaders
specific resistance (immunity)
involves the production of a specific lymphocyte or anitbody against a specific antigen
active immunity
you get sick naturally or artificially with vaccinations
passive immunity
you get sick naturally thru trnasfers in the fetus or artificially through oral or intravenous antibodies
the foreign invader that provokes and immune response
a protein that combines specifically with antigen that triggered its production and kills it
autoimmune diseases (9)
-Lou Gehrigs
-Chronic Fatigue
-rhematoid arthritis
-lymes disease
cycle of flow of lymph
arteries-bllod cappilaries-interstitial spaces-lymphatic capillaries-lymphatic vessels-lymphatic duct-subclavian veins-back to arteries
T cells
to destroy foreign invaders directly
B cells
develope antibodies to destroy foreign invaders if T cells can't do it directly
with inhilation lymph flows from the abdomen to
the thoracic region
WBCs (2 kinds)
microphages and macrophages that go to area and eat up damaged tissue and invaders